CVE-2026-54437
Vulnerabilities in the QNX io-char library Impacts QNX Software Development Platform
Description
Improper Input Validation in the io-char library's DCMD_CHR_TCINJECTC devctl() handler could allow an attacker with local access to cause data tampering in the memory input buffer of the Character I/O device driver.
INFO
Published Date :
Nov. 10, 2026, 6:39 p.m.
Last Modified :
Nov. 10, 2026, 6:39 p.m.
Remotely Exploit :
No
Source :
vulncheck-cvelist-v5
Affected Products
The following products are affected by CVE-2026-54437
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Validate all inputs to the DCMD_CHR_TCINJECTC handler.
- Ensure the io-char library properly handles unexpected data.
- Apply updates for the io-char library when available.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-54437.
| URL | Resource |
|---|---|
| https://support.blackberry.com/pkb/s/article/141341 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-54437 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-54437
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-54437 vulnerability anywhere in the article.